Spectra Characteristics of an Aminated Glucose and Its Complex with Cu(Ⅱ)
LIAO Qiang-qiang1,2, LI Yi-jiu1, XIANG Bo1,CHENG Ru-mei1,CHEN Lin1,HE Wei-na1
1. Department of Chemistry, Tongji University, Shanghai 200092, China 2. Department of Environmental Engineering, Shanghai University of Electric Power, Shanghai 200090, China
Abstract：Characteristics of an aminated glucose and its complex with Cu (Ⅱ) were investigated by FTIR, 1H-NMR and UV spectroscopy, respectively. Compared with glucose, the FTIR spectrum of an aminated glucose showed a moderate peak at 1 629-1 608 cm-1 which was attributed to δNH vibration, suggesting that glucose reacted with ethylenediamine. The 1H-NMR spectrum of an aminated glucose demonstrated the signal of the C1 hydroxy proton and one of the amino proton at 4.82-4.79 ppm, illustrating that the amino of ethylenediamine was substituted for the hydroxy group of C1. As for UV spectra, an aminated glucose did not show absorbance in the ultraviolet region while its complex with Cu(Ⅱ) had obvious absorption peak at about 236 nm. The complex ratio of the aminated glucose to Cu(Ⅱ) was about 1 to 1 and the stability constant of its Cu(Ⅱ) complex was 6.8×107 L·mol-1.
廖强强1,2,李义久1,相波1,程如梅1,陈琳1,何微娜1. 胺化葡萄糖及其铜配合物的光谱特性[J]. 光谱学与光谱分析, 2008, 28(11): 2588-2591.
LIAO Qiang-qiang1,2, LI Yi-jiu1, XIANG Bo1,CHENG Ru-mei1,CHEN Lin1,HE Wei-na1. Spectra Characteristics of an Aminated Glucose and Its Complex with Cu(Ⅱ). SPECTROSCOPY AND SPECTRAL ANALYSIS, 2008, 28(11): 2588-2591.
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